Handling unknowns better #1829

Job	Run time
create-spec-transformation	15m 10s
build	5m 23s
deploy-docs	22s
deploy-maven	0s
test-docker (theta-cfa-cli)	5m 31s
test-docker (theta-sts-cli)	5m 23s
test-docker (theta-xsts-cli)	5m 39s
test-docker (theta-xta-cli)	5m 41s
test-docker (theta-xcfa-cli)	6m 56s
test-linux (ubuntu-24.04)	4m 2s
javadoc	5m 4s
deploy-docker	0s
create-archives (Theta)	3m 21s
create-archives (EmergenTheta)	3m 46s
create-archives (Thorn)	3m 16s
test-benchexec (SV-COMP25_unreach-call, CEGAR)	13m 16s
test-benchexec (SV-COMP25_unreach-call, BOUNDED)	13m 22s
test-benchexec (SV-COMP25_unreach-call, HORN)	13m 19s
test-benchexec (SV-COMP25_no-data-race, CEGAR)	13m 21s
deploy-release	0s
test-benchexec (SV-COMP25_no-data-race, BOUNDED)	13m 21s
test-benchexec (SV-COMP25_no-data-race, HORN)	13m 23s
test-benchexec (SV-COMP25_valid-memcleanup, CEGAR)	4m 23s
test-benchexec (SV-COMP25_valid-memcleanup, BOUNDED)	4m 52s
test-benchexec (SV-COMP25_valid-memcleanup, HORN)	6m 3s
test-benchexec (SV-COMP25_valid-memsafety, CEGAR)	13m 19s
test-benchexec (SV-COMP25_valid-memsafety, BOUNDED)	13m 17s
test-benchexec (SV-COMP25_valid-memsafety, HORN)	13m 20s
test-benchexec (SV-COMP25_no-overflow, CEGAR)	13m 22s
test-benchexec (SV-COMP25_no-overflow, BOUNDED)	13m 21s
test-benchexec (SV-COMP25_no-overflow, HORN)	13m 20s
test-benchexec (SV-COMP25_termination, CEGAR)	9m 34s
test-benchexec (SV-COMP25_termination, BOUNDED)	2m 16s
test-benchexec (SV-COMP25_termination, HORN)	9m 24s
collect-results	1s
	4h 26m 8s

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